diff options
Diffstat (limited to 'include/linux/kvm_host.h')
| -rw-r--r-- | include/linux/kvm_host.h | 27 |
1 files changed, 17 insertions, 10 deletions
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 6b76e7a6f4c2..4c14aee1fb06 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -318,7 +318,8 @@ static inline bool kvm_vcpu_can_poll(ktime_t cur, ktime_t stop) struct kvm_mmio_fragment { gpa_t gpa; void *data; - unsigned len; + u64 val; + unsigned int len; }; struct kvm_vcpu { @@ -1029,6 +1030,13 @@ static inline struct kvm_vcpu *kvm_get_vcpu_by_id(struct kvm *kvm, int id) return NULL; } +static inline bool kvm_is_vcpu_creation_in_progress(struct kvm *kvm) +{ + lockdep_assert_held(&kvm->lock); + + return kvm->created_vcpus != atomic_read(&kvm->online_vcpus); +} + void kvm_destroy_vcpus(struct kvm *kvm); int kvm_trylock_all_vcpus(struct kvm *kvm); @@ -1628,6 +1636,13 @@ static inline void kvm_create_vcpu_debugfs(struct kvm_vcpu *vcpu) {} #ifdef CONFIG_KVM_GENERIC_HARDWARE_ENABLING /* + * kvm_arch_shutdown() is invoked immediately prior to forcefully disabling + * hardware virtualization on all CPUs via IPI function calls (in preparation + * for shutdown or reboot), e.g. to allow arch code to prepare for disabling + * virtualization while KVM may be actively running vCPUs. + */ +void kvm_arch_shutdown(void); +/* * kvm_arch_{enable,disable}_virtualization() are called on one CPU, under * kvm_usage_lock, immediately after/before 0=>1 and 1=>0 transitions of * kvm_usage_count, i.e. at the beginning of the generic hardware enabling @@ -2300,7 +2315,6 @@ static inline bool kvm_check_request(int req, struct kvm_vcpu *vcpu) #ifdef CONFIG_KVM_GENERIC_HARDWARE_ENABLING extern bool enable_virt_at_load; -extern bool kvm_rebooting; #endif extern unsigned int halt_poll_ns; @@ -2366,6 +2380,7 @@ void kvm_unregister_device_ops(u32 type); extern struct kvm_device_ops kvm_mpic_ops; extern struct kvm_device_ops kvm_arm_vgic_v2_ops; extern struct kvm_device_ops kvm_arm_vgic_v3_ops; +extern struct kvm_device_ops kvm_arm_vgic_v5_ops; #ifdef CONFIG_HAVE_KVM_CPU_RELAX_INTERCEPT @@ -2594,12 +2609,4 @@ long kvm_arch_vcpu_pre_fault_memory(struct kvm_vcpu *vcpu, struct kvm_pre_fault_memory *range); #endif -#ifdef CONFIG_KVM_GENERIC_HARDWARE_ENABLING -int kvm_enable_virtualization(void); -void kvm_disable_virtualization(void); -#else -static inline int kvm_enable_virtualization(void) { return 0; } -static inline void kvm_disable_virtualization(void) { } -#endif - #endif |